<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link href="css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<script src="./js/jquery-3.5.1.min.js"></script>
<script src="js/bootstrap.min.js"></script>


<div class="row">
    <div class="row">
        <div class="col-xs-8 ">.col-md-9 .col-md-push-3</div>
        <div class="col-xs-4 ">.col-md-3 .col-md-pull-9</div>

    </div>

</body>
</html>